648808680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8849}}^1$

素因数の和:8923

約数の個数: 128

約数和(自身を含む): 2140992000

約数和(自身を除く): 1492183320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 470, 520, 564, 611, 705, 780, 940, 1128, 1222, 1410, 1560, 1833, 1880, 2444, 2820, 3055, 3666, 4888, 5640, 6110, 7332, 8849, 9165, 12220, 14664, 17698, 18330, 24440, 26547, 35396, 36660, 44245, 53094, 70792, 73320, 88490, 106188, 115037, 132735, 176980, 212376, 230074, 265470, 345111, 353960, 415903, 460148, 530940, 575185, 690222, 831806, 920296, 1061880, 1150370, 1247709, 1380444, 1663612, 1725555, 2079515, 2300740, 2495418, 2760888, 3327224, 3451110, 4159030, 4601480, 4990836, 5406739, 6238545, 6902220, 8318060, 9981672, 10813478, 12477090, 13804440, 16220217, 16636120, 21626956, 24954180, 27033695, 32440434, 43253912, 49908360, 54067390, 64880868, 81101085, 108134780, 129761736, 162202170, 216269560, 324404340, 648808680]

約数ペア:

[(1, 648808680), (2, 324404340), (3, 216269560), (4, 162202170), (5, 129761736), (6, 108134780), (8, 81101085), (10, 64880868), (12, 54067390), (13, 49908360), (15, 43253912), (20, 32440434), (24, 27033695), (26, 24954180), (30, 21626956), (39, 16636120), (40, 16220217), (47, 13804440), (52, 12477090), (60, 10813478), (65, 9981672), (78, 8318060), (94, 6902220), (104, 6238545), (120, 5406739), (130, 4990836), (141, 4601480), (156, 4159030), (188, 3451110), (195, 3327224), (235, 2760888), (260, 2495418), (282, 2300740), (312, 2079515), (376, 1725555), (390, 1663612), (470, 1380444), (520, 1247709), (564, 1150370), (611, 1061880), (705, 920296), (780, 831806), (940, 690222), (1128, 575185), (1222, 530940), (1410, 460148), (1560, 415903), (1833, 353960), (1880, 345111), (2444, 265470), (2820, 230074), (3055, 212376), (3666, 176980), (4888, 132735), (5640, 115037), (6110, 106188), (7332, 88490), (8849, 73320), (9165, 70792), (12220, 53094), (14664, 44245), (17698, 36660), (18330, 35396), (24440, 26547)]